Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 145,712	$ 157,531
Prepaid expenses and other current assets	6,233	3,537
Other receivables	2,220	0
Total current assets	154,165	161,068
Property and equipment, net	9,031	2,913
Restricted cash	1,208	1,208
Operating lease right of use asset	9,070	13,412
Other non-current assets	1,855	649
Total assets	175,329	179,250
Current liabilities:
Accounts payable	2,590	2,037
Accrued expenses and other current liabilities	14,090	8,765
Operating lease liability, current	1,871	1,072
Deferred revenue, current	11,817	0
Total current liabilities	30,368	11,874
Operating lease liability, net of current portion	13,675	14,589
Deferred revenue, net of current portion	1,254	0
Other liabilities	191	0
Total liabilities	45,488	26,463
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value, 5,000 shares authorized at June 30, 2022 and December 31, 2021; no shares issued or outstanding as of June 30, 2022 or December 31, 2021	0	0
Common stock, $0.0001 par value, 200,000 shares authorized as of June 30, 2022 and December 31, 2021; 28,456 and 27,608 shares issued as of June 30, 2022 and December 31, 2021, respectively; 28,278 and 27,313 shares outstanding as of June 30, 2022 and December 31, 2021, respectively	2	2
Additional paid-in capital	412,671	405,680
Accumulated deficit	(282,832)	(252,895)
Total stockholders’ equity	129,841	152,787
Total liabilities and stockholders’ equity	$ 175,329	$ 179,250

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).